content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * --------------------
   * OHLCSeriesTests.java
   * --------------------
   * (C) Copyright 2006-2009, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 04-Dec-2006 : Version 1, based on XYSeriesTests (DG);
   * 27-Nov-2007 : Added testClear() method (DG);
   * 23-May-2009 : Added testHashCode() (DG);
   * 17-Jun-2009 : Added testRemove_int() (DG);
   *
   */
  
  package org.jfree.data.time.ohlc;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertNotSame;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertSame;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import org.jfree.data.general.SeriesChangeEvent;
  import org.jfree.data.general.SeriesChangeListener;
  import org.jfree.data.general.SeriesException;
  import org.jfree.data.time.Year;
  import org.junit.jupiter.api.Test;
  
  ;
  
  /**
   * Tests for the {@link OHLCSeries} class.
   */
  public class OHLCSeriesTest
          implements SeriesChangeListener {
  
      SeriesChangeEvent lastEvent;
  
      /**
       * Records a change event.
       *
       * @param event  the event.
       */
      @Override
      public void seriesChanged(SeriesChangeEvent event) {
          this.lastEvent = event;
      }
  
  
  
  
  
      /**
       * Confirm that the equals method can distinguish all the required fields.
       */
      @Test
      public void testEquals() {
          OHLCSeries s1 = new OHLCSeries("s1");
          OHLCSeries s2 = new OHLCSeries("s1");
          assertEquals(s1, s2);
  
          // seriesKey
          s1 = new OHLCSeries("s2");
          assertFalse(s1.equals(s2));
          s2 = new OHLCSeries("s2");
          assertEquals(s1, s2);
  
          // add a value
          s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
          assertFalse(s1.equals(s2));
          s2.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
          assertEquals(s2, s1);
  
          // add another value
          s1.add(new Year(2008), 2.0, 4.0, 1.0, 3.0);
          assertFalse(s1.equals(s2));
          s2.add(new Year(2008), 2.0, 4.0, 1.0, 3.0);
          assertEquals(s2, s1);
  
          // remove a value
          s1.remove(new Year(2008));
          assertFalse(s1.equals(s2));
          s2.remove(new Year(2008));
          assertEquals(s2, s1);
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          OHLCSeries s1 = new OHLCSeries("Test");
          s1.add(new Year(2009), 1.0, 3.0, 2.0, 1.4);
          OHLCSeries s2 = new OHLCSeries("Test");
          s2.add(new Year(2009), 1.0, 3.0, 2.0, 1.4);
          assertEquals(s1, s2);
          int h1 = s1.hashCode();
          int h2 = s2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          OHLCSeries s1 = new OHLCSeries("s1");
          s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
          OHLCSeries s2 = (OHLCSeries) s1.clone();
          assertNotSame(s1, s2);
          assertSame(s1.getClass(), s2.getClass());
          assertEquals(s1, s2);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          OHLCSeries s1 = new OHLCSeries("s1");
          s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(s1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          OHLCSeries s2 = (OHLCSeries) in.readObject();
              in.close();
  
          assertEquals(s1, s2);
  
      }
  
      /**
       * Simple test for the indexOf() method.
       */
      @Test
      public void testIndexOf() {
          OHLCSeries s1 = new OHLCSeries("s1");
          s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
          s1.add(new Year(2011), 2.0, 4.0, 1.0, 3.0);
          s1.add(new Year(2010), 2.0, 4.0, 1.0, 3.0);
          assertEquals(0, s1.indexOf(new Year(2006)));
          assertEquals(1, s1.indexOf(new Year(2010)));
          assertEquals(2, s1.indexOf(new Year(2011)));
      }
  
      /**
       * Simple test for the remove() method.
       */
      @Test
      public void testRemove() {
          OHLCSeries s1 = new OHLCSeries("s1");
          s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
          s1.add(new Year(2011), 2.1, 4.1, 1.1, 3.1);
          s1.add(new Year(2010), 2.2, 4.2, 1.2, 3.2);
          assertEquals(3, s1.getItemCount());
  
          s1.remove(new Year(2010));
          assertEquals(new Year(2011), s1.getPeriod(1));
  
          s1.remove(new Year(2006));
          assertEquals(new Year(2011), s1.getPeriod(0));
      }
  
      /**
       * A check for the remove(int) method.
       */
      @Test
      public void testRemove_int() {
          OHLCSeries s1 = new OHLCSeries("s1");
          s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
          s1.add(new Year(2011), 2.1, 4.1, 1.1, 3.1);
          s1.add(new Year(2010), 2.2, 4.2, 1.2, 3.2);
          assertEquals(3, s1.getItemCount());
  
          s1.remove(s1.getItemCount() - 1);
          assertEquals(2, s1.getItemCount());
          assertEquals(new Year(2010), s1.getPeriod(1));
      }
  
      /**
       * If you add a duplicate period, an exception should be thrown.
       */
      @Test
      public void testAdditionOfDuplicatePeriod() {
          OHLCSeries s1 = new OHLCSeries("s1");
          s1.add(new Year(2006), 1.0, 1.0, 1.0, 1.0);
  
          try {
              s1.add(new Year(2006), 1.0, 1.0, 1.0, 1.0);
              fail("Should have thrown a SeriesException on duplicate value");
          }
          catch (SeriesException e) {
              assertEquals("X-value already exists.", e.getMessage());
          }
      }
  
      /**
       * A simple check that the maximumItemCount attribute is working.
       */
      @Test
      public void testSetMaximumItemCount() {
          OHLCSeries s1 = new OHLCSeries("s1");
          assertEquals(Integer.MAX_VALUE, s1.getMaximumItemCount());
          s1.setMaximumItemCount(2);
          assertEquals(2, s1.getMaximumItemCount());
          s1.add(new Year(2006), 1.0, 1.1, 1.1, 1.1);
          s1.add(new Year(2007), 2.0, 2.2, 2.2, 2.2);
          s1.add(new Year(2008), 3.0, 3.3, 3.3, 3.3);
          assertEquals(new Year(2007), s1.getPeriod(0));
          assertEquals(new Year(2008), s1.getPeriod(1));
      }
  
      /**
       * Check that the maximum item count can be applied retrospectively.
       */
      @Test
      public void testSetMaximumItemCount2() {
          OHLCSeries s1 = new OHLCSeries("s1");
          s1.add(new Year(2006), 1.0, 1.1, 1.1, 1.1);
          s1.add(new Year(2007), 2.0, 2.2, 2.2, 2.2);
          s1.add(new Year(2008), 3.0, 3.3, 3.3, 3.3);
          s1.setMaximumItemCount(2);
          assertEquals(new Year(2007), s1.getPeriod(0));
          assertEquals(new Year(2008), s1.getPeriod(1));
      }
  
      /**
       * Some checks for the clear() method.
       */
      @Test
      public void testClear() {
          OHLCSeries s1 = new OHLCSeries("S1");
          s1.addChangeListener(this);
          s1.clear();
          assertNull(this.lastEvent);
          assertTrue(s1.isEmpty());
          s1.add(new Year(2006), 1.0, 1.1, 1.1, 1.1);
          assertFalse(s1.isEmpty());
          s1.clear();
          assertNotNull(this.lastEvent);
          assertTrue(s1.isEmpty());
      }
  
  }
  